Live feed18:55:55·498dINSIDERFilingvia QuantisnowPresident and CEO Viehbacher Christopher converted options into 9,008 shares and covered exercise/tax liability with 3,201 shares, increasing direct ownership by 83% to 12,807 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.BIIB· Biogen Inc.Health CareOriginal source